Magadzirirwo
| RM-VA0212-6 | ||
| Chinhu | Tsanangudzo | Zviyero |
| Rudzi rweMafambiro | 0.2-1.2 | GHz |
| Kuwana | 6 Rudzi. | dBi |
| VSWR | 2 Rudzi. |
|
| Corss Polarization | Mhando 60. | dB |
| Kupatsanurana | Mutsetse Pyakapiswa nechiedza |
|
| Chinobatanidza | N-Mukadzi |
|
| 3dB Beamibth | E-ndege: 43.5-101.5 Ndege yeH: 75.6-161.7 | ° |
| Zvinhu | Al |
|
| Saizi(L*W*H) | 427.3*47.3*424.6(±5) | mm |
| Huremu | 5.2 | kg |
| Kubata Simba, Peak | 300 | w |
| Kubata Simba, CW | 100 | w |
Antena yeVivaldi: Nheyo yekushanda, hunhu uye mashandisirwo
Antena yeVivaldi, inozivikanwawo se tapered slot antenna, i antenna inotungamira broadband inoshandiswa zvakanyanya muRF, microwave, radar, electronic warfare, measurement, uye wireless testing systems. Aperture yayo yakasiyana ine tapered inobvumira simba remagetsi kuchinja zvishoma nezvishoma kubva pachimiro chekutumira chinotungamirwa kuenda munzvimbo yakasununguka, zvichibatsira antenna kuwana broadband operation uye directional radiation.
Kana tichienzanisa nemaantenna akawanda anonzwika zvakanaka akagadzirwa zvakanaka pabhendi remafrequency rakamanikana, maantenna eVivaldi anoshandisa chimiro chekufamba-famba. Izvi zvinoita kuti anyanye kukwezva masisitimu anoda kufukidzwa kwemafrequency akawanda pamwe chete nechimiro chakareruka cheplanar kana metallic mechanical.
Antena yeVivaldi Inoshanda Sei?
Antena yeVivaldi ine mipendero miviri inofambisa mhepo inoita nzvimbo yakatetepa. Nzvimbo yacho inokura zvishoma nezvishoma kubva panzvimbo yakamanikana yekudyisa kuenda kune nzvimbo yakakura inoburitsa chiedza.
Kana simba reRF rikapinda muantenna, electromagnetic wave inofamba ichitevedza slot yakatetepa. Sezvo hupamhi hweslot huchiwedzera, wave inotungamirwa inobatana zvishoma nezvishoma munzvimbo yakasununguka uye inopenya zvakanyanya kumucheto wakavhurika weantenna.
Kuchinja uku zvishoma nezvishoma ndicho chimwe chezvikonzero zvikuru zvinoita kuti maantenna eVivaldi agone kupa hunhu hwebroadband.
Kuderera kwekushandiswa kwemafrequency kunokonzerwa zvakanyanya nehukuru hwe aperture ne taper, nepo kushanda kwemafrequency akakwira kuchienderana nezvinhu zvakaita sekuchinja kwefeed, taper geometry, saizi yemuchina wekufambisa, uye kururama kwekugadzira.
Hunhu hweMwaranzi
Antena yeVivaldi inowanzova antenna inodzima moto, zvichireva kuti mwaranzi yayo huru inonanga kumagumo akavhurika egomba rakatetepa.
Hunhu hwayo hwemwaranzi hunoenderana nematanho akati wandei ekugadzira, anosanganisira:
Upamhi hwevhudzi
Kureba kweTaper uye profile
Chimiro chekudya
Kushanda kakawanda
Ground uye conductor geometry
Zviyero zvemakanika
Sezvo mafrequency achichinja, nzvimbo inoshanda yemwaranzi iri pamwe chete nechimiro chakatetepa inochinjawo. Izvi zvinobvumira antenna kushanda munzvimbo yakakura yefrequency pasina kuvimba neruzha rumwe chete rwakamanikana.
Maantenna eVivaldi anowanzo gadzirwa kuti ashandiswe pakugadzira polarization yakatsetseka, kunyangwe mashandiro epolarization achienderana nejometri chaiyo uye kurongeka kwekudyisa.
Mhando huru dzeVivaldi Antennas
Magadzirirwo akati wandei eantenna eVivaldi anowanzo shandiswa muRF engineering.
Antena yeVivaldi yemazuva ano
Inoshandisa nzvimbo ine tambo yakagadzika pakati penzvimbo mbiri dzinofambisa magetsi uye ndeimwe yenzvimbo dzakajairika dzekuisa magetsi.
Antena yeAntipodal Vivaldi
Inoshandisa zvinhu zvinofambisa magetsi kumativi akasiyana e dielectric substrate. Kugadziriswa uku kunogona kupa shanduko iri nyore kubva kune mamwe ma transmission-line feeds kuenda ku radiating aperture.
Antena yeVivaldi yeAntipodal Yakaenzana
Inoshandisa chimiro chakafanana che multilayer kuti ivandudze field balance uye polarization hunhu mune mamwe maapplication e broadband.
Magadzirirwo akasiyana anogona kusarudzwa zvichienderana nebandwidth, polarization, nzira yekudyisa, maitiro ekugadzira, uye zvinodiwa zvekubatanidza masisitimu.
Zvikamu Zvikuru Pakusarudza Vivaldi Antenna
Pakusarudza antenna yeVivaldi, huwandu hwema frequency ndiyo chete pokutangira.
Kuwana kunoratidza kuti antenna inonyatso simbisa sei mwaranzi munzira yekuenda mberi.
VSWR inoratidza kuenderana kweimpedance pakati peantenna neRF system. VSWR yakaderera inowanzoreva simba shoma rinoratidzwa.
Polarization inofanira kuenderana nehurongwa hweRF hwakatarwa kuderedza kusawirirana kwepolarization.
3 dB Beamwidth inotsanangura upamhi hwekona hwemwaranzi huru uye inokosha mukushandiswa kweradar, monitoring, uye directional measurements.
Kushanda kweCross-Polarization kwakakoshawo kana kuchena kwepolarization kuchikosha.
Zvinhu zvemakanika zvakaita serudzi rwechinobatanidza, saizi yeantenna, huremu, chimiro chekuisa, uye kubata simba zvinofanirawo kufungwa nezvazvo panguva yekubatanidzwa kwesisitimu.
Semuenzaniso, RF MISO's RM-VA0212-6 Linear Polarized Vivaldi Antenna inoshanda kubva pa0.2 kusvika 1.2 GHz, inopa 6 dBi typical gain, inoshandisa linear polarization uye N-Female interface, uye inotsanangurwa kune radar, satellite communications, electronic warfare, uye high-end wireless testing applications.
Mabhenefiti eVivaldi Antennas
Maantenna eVivaldi ane mabhenefiti akawanda anoshanda:
Bandwidth inoshanda yakawanda
Mwaranzi yekuguma kwemoto inotungamira
Chimiro chakareruka chechiedza
Kubatana kwakanaka nehurongwa hweBroadband RF
Dhizaini inokwenenzverwa pamhando dzakasiyana dzema frequency
Yakakodzera magadzirirwo echinhu chimwe chete uye array
Hunhu hwavo hwebroadband hunoita kuti vanyanye kubatsira kana sisitimu ichida kufukidza mafrequency akawanda pasina kuchinja maantenna nguva nenguva.
Mashandisirwo
Maantenna eVivaldi anoshandiswa zvakanyanya mu:
Masisitimu eradar
Hondo yemagetsi
Kuyerwa kweRF yeBroadband
Kuedza kusina waya
Kutsvaga nzira
Kutarisa zviratidzo
Mifananidzo ye microwave
Masisitimu ekutaurirana
Magadzirirwo eantena
Kutsvaga uye mashandisirwo emurabhoritari
Mumasystem e-array, zvinhu zvakawanda zveVivaldi zvinogonawo kurongeka kuti zviwane gain yakakwira, matanda akatetepa, kana kugona kwekutonga matanda emagetsi.
Mhedziso
Antena yeVivaldi inosanganisa chimiro chekufamba-famba chine tapered-slot, mashandiro ebroadband, uye radiation inotungamira, zvichiita kuti ive dhizaini yeantenna inoshanda zvakasiyana-siyana yeRF yemazuva ano uye masisitimu e microwave.
Kushanda kwayo chaiko kunoenderana nechimiro chetaper geometry, saizi ye aperture, dhizaini yefeed, frequency yekushanda, uye mashandiro emakanika. Saka mainjiniya haafanire kungoongorora bandwidth ne gain chete, asiwo VSWR, polarization, beamwidth, cross-polarization performance, RF interface, uye zvinodiwa pakuiswa pakusarudza modhi yakakodzera.
Panyaya yeradar, electronic warfare, broadband measurement, kutaurirana, uye wireless testing applications, Vivaldi antennas dzinopa mhinduro inochinjika uko kufukidzwa kwema frequency akawanda uye RF performance yedivi rimwe chete zvakakosha.
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